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JOINT HYDROGENIUS AND I2CNER INTERNATIONAL WORKSHOP ON
HYDROGEN-MATERIALS INTERACTIONS 2017

DATE: FRIDAY, FEBRUARY 3, 2017
VENUE: SHIIKI HALL, KYUSHU UNIVERSITY
9:20-9:30 Opening Remarks
Hisao Matsunaga (Kyushu University, Japan)
9:30-10:00 Towards proper design and assessment of materials against hydrogen embrittlement
Michihiko Nagumo(Waseda University, Japan)
10:00-10:30 Hydrogen in metals - from fundamentals to the design of new steels
Pedro Rivera (University of Cambridge, UK)
10:30-11:00 Effect of hydrogen gas impurities on the Hydrogen dissociation on iron surface
Aleksandar Staykov (I2CNER, Kyushu University, Japan)
11:00-11:20 Break
11:20-11:50 Microstructural hydrogen detection and associated damage analysis in steels
Motomichi Koyama (Kyushu University, Japan)
11:50-12:20 Hydrogen-induced austenite stabilization in a Cr-Ni alloy with various grain sizes
Arnaud Macadre (I2CNER, Kyushu University, Japan)
12:20-13:20 Lunch
13:20-14:20 Poster session
14:20-14:50 Development status of high-pressure gaseous hydrogen vessels and piping
Jinyang Zheng (Zhejing University, China)
14:50-15:20 Hydrogen accelerated fatigue crack growth of welded steel pipelines
Joseph A. Ronevich (Sandia National Laboratories, USA)
15:20-15:50 Comprehensive understanding for ductility loss of various@austenitic stainless steels with external and internal hydrogen
Osamu Takakuwa (HYDROGENIUS, Kyushu University, Japan)
15:50-16:10 Break
16:10-16:40 Influence of Ni-Content on Fatigue Behavior of modified X2CrNi19-11 steel
Stefan Zickler (MPA Stuttgart, Germany)
16:40-17:10 Breakthrough against the NASA database in hydrogen compatibility of metallic materials
Junichiro Yamabe (Kyushu University, Japan)
17:10-17:20 Closing remarks
Brian Somerday (Southwest Research Institute, USA)
Poster Session
P01 A effect of test speed for notched-tensile properties under high-pressure gaseous hydrogen
Un Bong Baek(Korea Research Institute of Standards and Science), Eun Ju Song, Seung-Wook Baek, Seung Hoon Nahm
P02 Influence of gaseous hydrogen on fatigue crack propagation of commercially pure iron and martensitic stainless steel
Tomoki Shinko (P' institute, ISAE-ENSMA), Gilbert HENAFF, Damien HALM and Guillaume BENOIT
P03 Microstructural change of low carbon and low-alloy steels caused by hydrogen-induced fatigue-crack growth
Akihide Nagao(JFE Steel), Shuai Wang, Kelly E. Nygren, Mohsen Dadfarnia, Petros Sofronis, Ian M. Robertson
P04 Effect of quenched-in vacancy on mechanical properties of pure iron
Yuya Matsumoto (Sophia University), Hiroshi Suzuki, Kenichi Takai
P05 Vacancy formation behavior associated with hydrogen content, strain rate and strain amount analyzed by L-TDS
Arisa Ikeda (Sophia University), Yuya Matsumoto, Hiroshi Suzuki, Kenichi Takai
P06 Formation and identification of hydrogen-enhanced strain-induced lattice defects of cold-drawn pearlitic steel
Ryosuke Konno (Sophia University), Yuya Matsumoto, Toshiyuki Manabe, Daisuke Hirakami, Kenichi Takai
P07 Fracture process associated with hydrogen in X80 pipeline steel
Moeko Hattori (Sophia University), Yusuke Seko, Kenichi Takai
P08 Change in fracture modes at crack initiation induced by hydrogen in tempered martensitic steels
Ami Kurokawa (Sophia University), Tomoki Doshida, Yukito Hagihara, Hiroshi Suzuki, Kenichi Takai
P09 Crosshead speed dependence of intergranular and transgranular strengths in the presence of hydrogen of tempered martensitic steel
Kippei Ogawa (Sophia University), Hiroshi Suzuki, Kenichi Takai
P10 Crystallographic features of hydrogen-related fracture surfaces in lath martensitic steel
Takashi Yasukawa (Sophia University), Akinobu Shibata, Kenichi Takai
P11 Time of applied stress dependence of lattice defect formation associated with hydrogen in tempered martensitic steel showing quasi-cleavage fracture
Ryota Hasegawa (Sophia University), Hiroshi Suzuki, Kenichi Takai
P12 Change in stress-strain curves associated with hydrogen content and crosshead speed of tempered martensitic steel
Hiromi Kamei (Sophia University), Atsushi Imai, Hiroshi Suzuki, Kenichi Takai
P13 States of hydrogen present in precipitation hardening stainless steel SUS630
Yu Hayashi1 (Sophia University), Taku Nagase, Kenichi Takai
P14 Development of a Novel Fatigue Testing Method Using Pipe Specimen with Continuous Hydrogen-Charging
Takuya.Yoshimoto (Fukuoka University), T.Matsuo
P15 Development of a New Torsional Fatigue Testing Method with Successive Hydrogen-Charging
Yuta. Akaki (Fukuoka University), T. Matsuo, Y. Nishimura, S. Miyakawa, M. Endo
P16 Unified evaluation of the crack growth mechanism in fatigue and fracture toughness test of a carbon steel under high-pressure hydrogen
Yuhei Ogawa (Kyushu University), Hisao Matsunaga, Junichiro Yamabe, Michio Yoshikawa, Saburo Matsuoka
P17 Multi-Scale Observation of Hydrogen-Induced Successive Crack Growth in Fatigue of Commercial Pure Iron
Domas Birenis (University of Oslo), Yuhei Ogawa, Masaki Hino, Hisao Matsunaga
P18 Propagation and Non-propagation Behavior of Small Crack in Bearing Steel JIS-SUJ2 under Low Stress Ratios
Kentarou Wada (Kyushu University),Adeyinka Abass, Saburo Okazaki, Yoshihiro Fukushima, Hisao Matsunaga, Kaneaki Tsuzaki
P19 Behavior of Initiation and Growth of Micro-Cracks in SSRT Test of Austenitic Stainless Steel in High-Pressure Hydrogen Gas
Yuki Asanuma (Kyushu University), Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka
P20 Effect of Pearlite on Hydrogen-assisted Surface Crack Growth in SSRT Test of Low Carbon Steels in 95 MPa Gaseous Hydrogen
Masaki Hino (Kyushu University), Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka
P21 Visualization of Hydrogen Diffusion Behavior in ƒÁ/ƒÃ Dual-Phase Microstructure of a High Mn steel
Yuji Abe (Kyushu University), Motomichi Koyama, Kaneaki Tsuzaki
P22 Effect of Deformation Temperature on Damage Evolution Behavior in Dual-Phase Steel
Nao Uehata (Kyushu University), Motomichi Koyama, Shusaku Takagi, Kaneaki Tsuzaki
P23 Relationship Between HCP Phase Stability and Hydrogen Embrittlement Susceptibility in Fe-30Mn-(6-x)Si-xAl Austenitic alloys
Daiju Taniuchi (Kyushu University), Motomichi Koyama, Kaneaki Tsuzaki
P24 Strengh Evaluation of Brazed Austenitic Stainless Steel in Hydrogen environment
Susumu Motomura (Kyushu University), Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka, Norikazu Osawa
P25 Effects of Microstructure Morphology on Damage Evolution Behavior of Dual-Phase Steels
Arata Shojima (Kyushu University), Motomichi Koyama, Shusaku Takagi, Kaneaki Tsuzaki
P26 Effect of Solute Hydrogen on Deformation Induced Martensitic Transformation in Austenitic Steel
Natsuki Terao (Kyushu University), Yuji Abe, Motomichi Koyama, Kaneaki Tsuzaki
P27 Visualization of Hydrogen Flux at Grain Boundaries with Various Misorientation Angle by Utilizing In-situ Silver Decoration Technique
Daisuke Yamasaki (Kyushu University), Motomichi Koyama, Kaneaki Tsuzaki
P28 Influence of Hydrogen on Fatigue Strength Properties of Ni-base Superalloy 718
Yuta Sakata (Kyushu University), Osamu Takakuwa, Saburo Okazaki, Yuhei Ogawa, Hisao Matsunaga, Saburo Matsuoka
P29 Effect of Hydrogen on Threshold of Short Fatigue Crack Propagation in SUS304
Hirotaka Sano (Kyushu University), Yuhei Ogawa, Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka